Description: for amplifier:High quality mini for amplifier board.5.0 version,the transmission efficiency is higher,the transmission distance is farther. High Performance:Audio power for amplifier module dual channel,max output power 2x100W,adopt with a heatsink for Protection Mechanism:With overheating,overcurrent and short circuit for protection to prevent total failure,protect itself from damage. The output audio is unfiltered,using general-purpose filter components,high-quality sound quality. Great for DIY speakers.Widely used in car,home theater,etc. Specifications: Model:ZK-1002M Net Weight:66g Audio input:+ for AUX + U disk + computer USB (plug and play) Audio output:active speakers,passive speakers Adapter power supply:DC 5 - 24 V Number of channels:left and right dual channel (stereo) version:5.0 Output power:100W x 2 Large heat sink:36x25x10mm/1.42x0.98x0.39inch Adapter speaker:20 - 200W,4 - 8Ω for Protection mechanism:overheating,overcurrent,short circuit Color:Black Material:Plastic Size: 60x60x29mm/2.36x2.36x1.14inch Note: You can only choose one of passive speakers and active speakers.The file system of the U disk must be FAT32,and the maximum support is 32GB. Package included: 1 Piece 2x100W 5.0 Power for Amplifier Module Kit